package com.zax.filter;

import com.zax.model.User;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebFilter("/admin/*")
public class AdminFilter implements Filter {
    public void destroy() {
    }

    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {
        HttpServletRequest request = (HttpServletRequest)req;
        HttpServletResponse response = (HttpServletResponse)resp;
        User u = (User) request.getSession().getAttribute("user");
        if (u ==null || u.isIsadmin()==false){
            response.sendRedirect(request.getContextPath());
        }else {
            chain.doFilter(req, resp);
        }

    }

    public void init(FilterConfig config) throws ServletException {

    }

}
